Classify these signals into energy-type signals, power-type signals, and signals that are neither energy-type nor power-type signals. For energy-type and power-type sig- nals, find the energy or the power content of the signal. 1. x1(t) = (e cos t) u-1(1) 2. x2(t) = e cost 3. x3(t) = sgn(t) 4. x4(1) = A cos 21 fit + B cos 2n fat %3D

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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Classify these signals into energy-type signals, power-type signals, and signals that
are neither energy-type nor power-type signals. For energy-type and power-type sig-
nals, find the energy or the power content of the signal.
1. x1(t) = (e cos t) u-1(1)
2. x2(t) = e cost
3. x3(t) = sgn(t)
4. x4(1) = A cos 21 fit + B cos 2n fat
%3D
Transcribed Image Text:Classify these signals into energy-type signals, power-type signals, and signals that are neither energy-type nor power-type signals. For energy-type and power-type sig- nals, find the energy or the power content of the signal. 1. x1(t) = (e cos t) u-1(1) 2. x2(t) = e cost 3. x3(t) = sgn(t) 4. x4(1) = A cos 21 fit + B cos 2n fat %3D
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